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Hand brake lever The hand brake lever [1] is mounted on the handlebars on the right and actuates the front wheel brake. The adjusting screw [A] can be used to change the basic position of the hand brake lever (see “Maintenance”). 1 A Short circuit button The short circuit button [2] turns off the engine. When pressing this button, the ignition circuit is short-circuited. 2 Headlamp switch (XCF-W) In this model the headlamp is switched on with the pull switch [5] . 5 Flasher switch The flasher switch is a separate unit and is mounted on the left portion of the handlebar. The wire harness is designed in a way that whenever you want to use your bike off-road, you can dismount the entire turn indicator system without affecting the function of the remaining electrical system. Flasher left Flasher right
OPERATION INSTRUMENTS » ENGLISH 7 1 2 3 4 5 Starter button Pushing the red starter button [1] will actuate the E-starter. Emergency OFF switch (EXC-F Australia) The red emergency-OFF switch [2] is arranged adjacent to the throttle grip. In this position, the E-starter is operational and the engine can be started. In this position, the E-starter and ignition circuits are interrupted.The E-starter cannot be actuated, and the engine will not start, not even if you attempt to start it with the kickstarter. Pushing the black starter button [3] will actuate the E-starter. Indicator lamps The green control lamp [4] flashes in the same rhythm as the flashing indicator when the indicator is working. The blue control lamp [5] lights up when the high beam is on. TEST All of the display segments briefly light up for the display function test. Electronic speedometer The display in the electronic speedometer is activated as soon as you press a button on the speedometer or an impulse is received from the wheel sensor. The display lights up when the engine is running. The display is cleared if no button is pressed for 1 minute or no impulse is received from the wheel sensor. The button is used to change between display modes. The + and – buttons are used to control various functions

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TM REPAIR MANUAL IN LOOSE-LEAF FORM STORING THE REPAIR MANUAL IN THE BINDER -Put the index into the binder. -Put the front page of the repair manual (210×297 mm) into the transparent pocket provided for this purpose on the outside of the binder. -Put the spine label (170×45 mm) into the transparent pocket provided for this purpose on the spine of the binder. -Put the summary list of contents (150×297 mm) into the transparent pocket provided for this purpose on the inside of the binder or insert this page on the beginning of the manual. -Then insert the individual chapters of the manual between the sheets of the index according to the page number printed in the right bottom corner of each page. Example: page no. 3-5 3 = chapter 3 5 = page 5 All pages with a page number that begins with the digit 3, for example, must be put under the index heading „Chapter 3″. -Index sheets that have not been marked with a certain chapter are for your personal convenience. T he respective headings can be entered in the list of contents. Remove page (s) Replace by page (s) Insert page (s) after page 2-1 / 2-7 2-1C 2-7C to 2-9C 3-1 3-1C 4-1 to 4-14 4-1C to 4-13C 5-1 / 5-3 5-1C / 5-3C 5-6 to 5-8 5-6C to 5-8C 5-12 to 5-26 5-12C to 5-27C 6-1 / 6-4 6-1C / 6-4C 6-7 to 6-16 6-7C to 6-17C 7-1 to 7-2 7-1C to 7-2C 7-7 to 7-11 7-7C to 7-11C 8-1 to 8-13 8-1C to 8-21C 9-1 9-1C 9-10 to 9-13 9-10C to 9-16C 10-1 10-1C 10-8C to 10-11C 11-1 11-1C 11-11C to 11-13C
Repair manual KTM 250-525 SX, MXC, EXC RACING Art.-No. 3206007 -E EXPLANATION – UPDATING Edition 01/2003 3.205.85-ERepair Manual 400/520 SX, MXC, EXC RACING Basic version Model year 2000 (Engine number with first digit “0″) 2/2000 3.210.01-EUpdating of Rep.Manual 3.205.85-E Model year 2001 (Engine number with first digit “1″) 1/2001 3.210.44-EUpdating of Rep.Manual 3.205.85-E Model year 2002 (Engine number with first digit “2″)

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Am I too small for this motorcycle? Duke – Sun May 14 17:38:31 2000 I’m only about 5’2″ and don’t have a problem, even though I can only touch the ground with the ends of my toes. Once you get a feel for the balance of the bike it’s not hard to keep everything upright. Only place I have trouble is pushing the bike backwards in a parking lot. Usually I just walk the bike (beside it) to where I can get on and get going. How does the EX500 compare to the EX250? Craig M. – Mon May 22 10:23:29 2000 I have both the EX250 and the EX500; both are Y2K models. The 250 is a screamer that performs well and can easily get me into trouble. My only complaints about the 250 are the excessive nose dive when getting on the front brake hard and the skittishness of the rear during high speed cornering. Both are easily corrected with suspension adjustments, I’ve just been too lazy to get the parts and do the work. A bit more wind protection would be great too. The 500 addresses these problems, the diving of the front end (to a degree); the rear’s skittishness and the wind protection. A plus for the 500 is the greater torque and power off the line; it pulls stronger (in my opinion) and will get you into illegal speed territory just a bit quicker than the 250. With greater weight, is has more stability in high speed and windy situations. Insurance is just about the same for both, with the 250 getting the nod for gas mileage. Service requirements are almost identical for both as well, being that they’re both parallel twins, the technology is the virtually the same. The downfalls of the 500: $2K more than the 250 (can do a lot to the 250 with that kind of money); buzzy mirrors, barely useful; heavier weight to have to push around the garage; lesser gas mileage (55-60 MPG; 250 pushes 70 MPG easily); engine is worse than a nervous dog shaking around at idle and at speed (here the 250 is far superior and much smoother). In my opinion, the 500 is a better suited for a larger rider, from a comfort standpoint. I feel I can stretch out a bit more on it than the 250 (I’m 5′ 9″, 160 lbs). The 250′s brakes are better tuned than the 500 and the shifter is much smoother. That may be due to the 3,500 mile difference between the two bikes. Bottom line, both bikes are great, the 250 is now my wife’s ride (mainly) and the 500′s mine (unless she steals the keys away). In time, I’ll make the adjustments to the 250; she doesn’t push it like I do.

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Hot start lever (250 SX-F) If you pull the red hot start lever [1] during the starting procedure backward, a bore in the carburetor will be opened through which the engine may take in additional air. The result is a „lean” fuel-air mixture of the type needed for hot starts.
ENGLISH 7 OPERATION INSTRUMENTS » Headlamp switch (EXCUSA) In this model the headlamp is switched on with the pull switch [1] . Flasher switch The flasher switch is a separate unit and is mounted on the left portion of the handlebar. The wire harness is designed in a way that whenever you want to use your bike off-road, you can dismount the entire turn indicator system without affecting the function of the remaining electrical system. Flasher left Flasher right Starter button (EXC) Pushing the black starter button [2] will actuate the E-starter. Emergency OFF switch (EXC Australia) The red emergency-OFF switch [3] is arranged adjacent to the throttle grip. In this position, the E-starter is operational and the engine can be started. In this position, the E-starter and ignition circuits are interrupted.The E-starter cannot be actuated, and the engine will not start, not even if you attempt to start it with the kickstarter. Pushing the black starter button [4] will actuate the E-starter. 2 3 4 5 6 Indicator lamps The green control lamp [5] flashes in the same rhythm as the flashing indicator when the indicator is working. The blue control lamp [6] lights up when the high beam is on

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KTM REPAIR MANUAL IN LOOSE-LEAF FORM STORING THE REPAIR MANUAL IN THE BINDER -Put the index into the binder. -Put the front page of the repair manual (210×297 mm) into the transparent pocket provided for this purpose on the outside of the binder. -Put the spine label (170×45 mm) into the transparent pocket provided for this purpose on the spine of the binder. -Put the summary list of contents (150×297 mm) into the transparent pocket provided for this purpose on the inside of the binder or insert this page on the beginning of the manual. -Then insert the individual chapters of the manual between the sheets of the index according to the page number printed in the right bottom corner of each page. Example: page no. 3-5 3 = chapter 3 5 = page 5 All pages with a page number that begins with the digit 3, for example, must be put under the index heading „Chapter 3″. -Index sheets that have not been marked with a certain chapter are for your personal convenience. The respective headings can be entered in the list of contents.

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Installation To prevent accidental vehicle start-up, which could cause death or serious injury, remove maxi-fuse before proceeding. (00251a) 1 WARNING 1 WARNING ® Kit Numbers 41279-04, 41282-04, 41463-05, 41467-05, 41633-05, 41634-05, 41640-05, and 41639-05 1 of 3 Figure 1. Rear Wheel Removal i02495 1. Axle (keep) 2. Axle adjuster (keep) 3. Axle nut (keep) 4. “E”-clip (keep) 5. Spacer (3) (keep) 6. Torx screw (5) (replace) 7. Brake disc (keep) 8. Wheel assembly (replace) 9. Valve cap (keep) 10. Compensator bowl (keep) 11. Compensator cushion (keep) 12.12 pt screw (5) (keep) 13. Lockwasher (5) (keep) 14. Sprocket assembly (keep) 1. Refer to the Service Manual and follow the MAXI-FUSE instructions to remove the right-side cover and maxi- fuse. Proceed to Step 2 for the wheel being replaced. Rear Wheel 2. See Figure 1. Remove the rear wheel per the REAR WHEEL, REMOVAL instructions in the Service Manual. 3. Disassemble, clean and inspect all parts to be re-used per Service Manual instructions. 4. Re-assemble all saved components to the new chrome rear wheel assembly. See REAR WHEEL, ASSEMBLY in the Service Manual. Do not re-use brake disc screws. Re-using disc screws can result in torque loss and damage to rotor and/or brake assembly. (00319b) 5. Fasten the brake disc to the valve stem side of the wheel using the Torx®screws from the kit. Install the compensator bowl with the 12-point screws and lockwashers saved earlier. 6. Install the new wheel to the rear fork. Refer to REAR WHEEL, INSTALLATION in the Service Manual. Proceed to Step 7. Front Wheel 2. See Figure 2. Remove the front wheel per the FRONT WHEEL, REMOVAL instructions in the Service Manual. 3. Disassemble, clean and inspect all parts to be re-used per Service Manual instructions. Mark the left and right brake discs so they can be re-installed to the same location. 4. Re-assemble all saved components to the new chrome front wheel assembly. See FRONT WHEEL, ASSEMBLY in the Service Manual. Do not re-use brake disc screws. Re-using disc screws can result in torque loss and damage to rotor and/or brake assembly. (00319b) 5. Using the Torx ® shoulder bolts from the kit, and the saved spring washers fasten the brake discs to the same side of the wheel from which they were removed. 6. Install the new wheel to the front forks per the FRONT WHEEL, INSTALLATION instructions in the Service Manual. Proceed to Step 7. Front and Rear Wheels 7. Refer to the Service Manual and follow the MAXI-FUSE instructions to replace the maxi-fuse and right-side cover. After servicing brakes and before moving motorcycle, pump brakes to build brake system pressure. Insufficient pressure can adversely affect brake performance, which could result in death or serious injury. (00279a) After servicing the brake system, test brakes at low speed. If brakes are not operating properly, testing at high speeds can cause loss of control, which could result in death or serious injury. (00289a) Maintenance and Cleaning Chrome parts must be maintained regularly to ensure that they keep their original shine and luster. 1. Clean heavily-soiled wheel surfaces using Harley Wheel and Tire Cleaner, part number 94658-98, applied with Harley Wheel and Spoke Brush, part number 43078-99. 2. Thoroughly clean chrome with a good quality chrome cleaner, such as Harley Bright Chrome Cleaner, part number 94683-99. 3. After cleaning and polishing, seal the finish with a good quality sealer such as Harley Glaze Polish and Sealant, part number 99701-84

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REMOVAL Prepare for Service 1. Position motorcycle on a suitable lift. NOTE If vehicle is equipped with Harley-Davidson Smart Security System, see owner’s manual for instructions to disarm the system. To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding. (00048a) 2. Disconnect battery cables, negative (-) battery cable first. 3. Remove seat according to the instructions in the service manual. 4. Refer to service manual to remove left saddlebag and side cover. When servicing the fuel system, do not smoke or allow open flame or sparks in the vicinity. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00330a) 5. Remove fuel tank according to the instructions in the service manual. Remove Engine Components 1. Remove existing air cleaner assembly. Discard backplate but save remaining parts. Refer to AIR CLEANER REMOVAL in service manual. 2. Remove existing exhaust system. Refer to EXHAUST SYSTEM REMOVAL in service manual. 3. Remove engine from chassis following the instructions in the service manual. 4. Disassemble engine top end and bottom end. Refer to appropriate ENGINE sections in service manual. 5. Remove existing clutch diaphragm spring. Refer to CLUTCH REMOVAL in service manual. The procedures in this instruction sheet should be performed by one experienced in precision measuring techniques. Failure to meet tolerances called for in this instruction sheet can result in engine damage. (00511b) -J04793 1 2 is03517 1. O-ring counterbore 2. Spigot bore Figure 1. Spigot Bore and O-Ring Counterbore Dimensions Table 1. Spigot Bore and O-Ring Counterbore Dimensions Depth Bore Description 1.625 +/- 0.010 in. (41.3 +/- 0.25 mm) 4.205 +/- 0.010 in. (107 +/- 0.25 mm) Spigot Bore 0.085 +/- 0.003 in. (2.16 +/- 0.08 mm) 4.415 +/- 0.002 in. (112 +/- 0.05 mm) O-Ring Counter- bore is03456 Figure 2. Cylinder Wall MACHINE CRANKCASE Crankcase Boring Preparation NOTE During final assembly of the engine, Harley-Davidson recommends replacing the OE cylinder studs with Screamin’ Eagle High Tensile Studs (16505-01). 1. Remove cylinder studs from the engine crankcase. 2. Mask off all bearings and oil holes to prevent debris and contaminants from entering those areas. 3. Inspect and clean engine case mating surfaces. 4. See Figure 6. Reassemble engine case with OE screws, except the top center screw between the cylinders, and tighten to specifications listed in service manual. NOTE To prevent damage to crankcase boring tool, it is important to replace the top center screw with a modified top center screw (1093). This screw is included in the Crankcase Boring Tool Kit (94419-06) and can be purchased separately from a Harley- Davidson dealer. 5. Install modified top center screw (1093) between the cylinders and tighten to 50-90 in-lbs (5.6-10.2 Nm). 6. See Figure 1 and Table 1. Machine crankcase cylinder spigot bore and O-ring counterbore to the dimensions shown. Modify Crankcase

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Cover the throttle bodies to prevent anything from dropping into the engine. 1. Remove the front seat and disconnect the battery. (Refer to Service Manual, Page 8-8) 2. Lift up the fuel tank. (Refer to Service Manual, Page 5-3) 3. Remove the air cleaner box. (Refer to Service Manual, Page 5-14) 4. Remove and replace the ISC valve. (Refer to Service Manual, Page 5-25) NOTE: Since the ECM is also being replaced there is no need to perform the ISC valve preset operation. 5. Install the air cleaner box in reverse order of removal. (Refer to Service Manual, Page 5-14) 6. Lower the fuel tank. (Refer to Service Manual, Page 5-3) 7. Remove the upper seat rail plate. Disconnect and remove the ECM. (Figure 1) @ ISC Valve Mounting Screw Torque: 2.1± ±0.6 N.m (1.5± ±0.4 lb-ft) ! Carefully insert the ISC valve straight into the throttle body hole to prevent damaging the o-ring. Turn the ISC valve slightly to confirm that the o-ring has not twisted. Using the new screw provided in the replacement parts kit, make sure the screw is completely seated on the plate after the screw has been tightened to the specified torque. 4. Remove and replace the ISC valve. (Refer to Service Manual, Page 5-25) NOTE: Since the ECM is also being replaced there is no need to perform the ISC valve preset operation. ! Cover the throttle bodies to prevent anything from dropping into the engine. 1. Remove the front seat and disconnect the battery. (Refer to Service Manual, Page 8-8) 2. Lift up the fuel tank. (Refer to Service Manual, Page 5-3) 3. Remove the air cleaner box. (Refer to Service Manual, Page 5-14) REPLACEMENT PROCEDURE: 8. Install the new ECM in reverse order of removal. Apply thread lock to the upper plate mounting bolts when reinstalling the upper seat rail plate.

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STORING THE REPAIR MANUAL IN THE BINDER -Put the index into the binder. -Put the front page of the repair manual (210×297 mm) into the transparent pocket provided for this purpose on the outside of the binder. -Put the spine label (170×45 mm) into the transparent pocket provided for this purpose on the spine of the binder. -Put the summary list of contents (150×297 mm) into the transparent pocket provided for this purpose on the inside of the binder or insert this page on the beginning of the manual. -Then insert the individual chapters of the manual between the sheets of the index according to the page number printed in the right bottom corner of each page. Example: page no. 3-5 3 = chapter 3 5 = page 5 All pages with a page number that begins with the digit 3, for example, must be put under the index heading „Chapter 3″. -Index sheets that have not been marked with a certain chapter are for your personal convenience. T he respective headings can be entered in the list of contents